20 years old girl
Isolation first and disinfection the tooth by sodium
After cleaning and shaping
Obturation and resin coating on floor
After that remove old restoration and finishing the cavity margin by yellow coated stone and rubber cup and preparation the cavity design
Finishing the gingival seat by ultra sonic diamond coated
Total eating and rinse
After that application the OT prime for :
1- increase the long term dentine bond strength
2- improve dentine hyberdization
3- better remove of residual water
4- inhibition MMPs and Cathepsin k enzyme
5- bacteriostatic effect
Selection the prober sectional matrix and clamp
After that
Bonding process
, use a universal bond
2 layer
Bond 👉🏻 rubbing 20 s remove excess 👉🏻 some air
Another one
Bond 👉🏻 rubbing 20 s remove excess 👉🏻 with out air to prevent O I L 👉🏻 light cure 20 s
Then ,
O.5 mm of RESIN COATING on dentin
One layer of universal bond it’s very weak And thickness of one layer about 10 micron
When application 2 layer - we elevated the thickness of adhesive layer to 20 micron
After bulding up
Ever X in action from GC
everX Posterior is a fibre-reinforced composite designed to be used as dentin replacement, in conjunction with a conventional composite such as replacement.
The short fibres of everX Posterior will make it a perfect sub-structure to reinforce any composite restoration in large size cavities.
Fibres will also prevent and stop crack propagation through the filling, which is considered to be the main cause of composite failures.
Short fibres prevent and stop the progression of fracture in the restoration
Fracture toughness equivalent to dentine and almost double to any composite will bring unsurpassed strength to the restoration
Minimal horizontal shrinkage as fibres contribute to shrinkage reduction in the direction of their orientation
Reliable bond to overlaying composite as well as to the tooth substance
4 mm increments can be cured simultaneously
This is a lecture about uses and application
https://youtube.com/watch?v=_9XpAX3o1e0&feature=share
After backing
From floor to lateral wall
Final anatomy
1 day follow up
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